Factual error: This is the first Cubs home game of the season, you can see that the ivy on the back wall of Wrigley Field is green. The ivy is never green like that during the first two months, at least, of the season.

Continuity mistake: When Carrie asks Kevin "Who's your boss?" in the opening classroom scene, she puts her bag over her shoulder. However in the very next shot, when Kevin tells her he always has a student every year he knows he'll remember, it's back on the desk again.

Continuity mistake: When Carrie says, "So did you ask Stephanie out?" both of Eddie's hands are clasped around his water bottle, but after Kevin explains why he felt stupid, Eddie's right hand is still clasped around the bottle, but his left is now on the table.